diff --git a/b2g/app/b2g.js b/b2g/app/b2g.js
index 412d1e62f03f..4b961724b9c5 100644
--- a/b2g/app/b2g.js
+++ b/b2g/app/b2g.js
@@ -796,7 +796,11 @@ pref("network.sntp.timeout", 30); // In seconds.
 pref("dom.promise.enabled", false);
 
 // Enable dataStore
+#ifdef RELEASE_BUILD
 pref("dom.datastore.enabled", false);
+#else
+pref("dom.datastore.enabled", true);
+#endif
 
 // DOM Inter-App Communication API.
 #ifdef MOZ_WIDGET_GONK
diff --git a/dom/tests/mochitest/general/test_interfaces.html b/dom/tests/mochitest/general/test_interfaces.html
index e3fce3f48a0e..3fdae7f0405e 100644
--- a/dom/tests/mochitest/general/test_interfaces.html
+++ b/dom/tests/mochitest/general/test_interfaces.html
@@ -150,6 +150,9 @@ var interfaceNamesInGlobalScope =
     "DataChannel",
     "DataContainerEvent",
     {name: "DataErrorEvent", b2g: true},
+    {name: "DataStore", b2g: true, release: false},
+    {name: "DataStoreChangeEvent", b2g: true, release: false},
+    {name: "DataStoreCursor", b2g: true, release: false},
     "DataTransfer",
     "DelayNode",
     "DesktopNotification",